Experience the only luxurious hotel on Key Biscayne. With impeccable service and spacious, West Indies-inspired guestrooms and suites, The Ritz-Carlton hotel on Key Biscayne, Florida, envelops guests in an island paradise just minutes from Miami. To make your Key Biscayne hotel reservations at The Ritz-Carlton, please use the reservations tool below, or click “Reserve by Phone” and allow a Ritz-Carlton reservations agent to assist you with your plans.